grossly vs harshly

grossly

adv
  • To a serious, severe, or offensive degree. 

  • Greatly; to a large degree, especially one large enough to be frankly appreciable. 

  • In a gross (disgusting) manner; without delicacy. 

harshly

adv
  • In a harsh manner; severely. 

How often have the words grossly and harshly occurred in a corpus of books? (source: Google Ngram Viewer )